Mazindol is a sympathomimetic amine, which is similar to an amphetamine. It is also known as an “anorectic” or “anorexigenic” drug. Mazindol stimulates the central nervous system (nerves and brain), which increases your heart rate and blood pressure and decreases your appetite. Mazindol is used as a short-term supplement to diet and exercise in the treatment of obesity. Mazindol may also be used for purposes other than those listed in this diet pill guide.

Who should not take Mazindol?

You cannot take Mazindol if you:

have heart disease or high blood pressure;

have arteriosclerosis (hardening of the arteries);

have glaucoma;

have taken a monoamine oxidase inhibitor (MAOI) such as isocarboxazid (Marplan), tranylcypromine (Parnate), or phenelzine (Nardil) in the last 14 days; or

have a history of drug or alcohol abuse.

Before taking this diet pill, tell your doctor if you have

problems with your thyroid,

an anxiety disorder,

epilepsy or another seizure disorder, or

diabetes.

You may not be able to take Mazindol, or you may require a lower dose or special monitoring during treatment if you have any of the conditions listed above. It is not known whether Mazindol will harm an unborn baby. Do not take Bontril without first talking to your doctor if you are pregnant. It is also not known whether Bontril passes into breast milk. Do not take Bontril without first talking to your doctor if you are breast-feeding a baby.

How should I take Mazindol?

Take Mazindol exactly as directed by your doctor. If you do not understand these directions, ask your pharmacist, nurse, or doctor to explain them to you. Take each dose with a full glass of water. Mazindol is usually taken one to three times a day before meals. Mazindol can be taken with food if it upsets your stomach. Never take more of this diet pill than is prescribed for you. Too much Mazindol could be very dangerous to your health. Store Mazindol at room temperature away from moisture and heat.

What happens if I miss a dose of Mazindol?

Take the missed dose as soon as you remember. However, if it is almost time for your next dose or if it is already evening, skip the missed dose and take only your next regularly scheduled dose. A dose taken too late in the day will cause insomnia. Do not take a double dose of this diet pill.

Use caution when driving, operating machinery, or performing other hazardous activities. Bontril may cause dizziness, blurred vision, or restlessness, and it may hide the symptoms of extreme tiredness. If you experience these effects, avoid hazardous activities. Do not take Mazindol late in the day. A dose taken too late in the day can cause insomnia.

What are the possible side effects of Mazindol?

If you experience any of the following serious side effects, stop taking Mazindol and seek emergency medical attention:

an irregular heartbeat or very high blood pressure (severe headache, blurred vision); or

hallucinations, abnormal behavior, or confusion.

Other, less serious side effects may be more likely to occur. Continue to take Mazindol and talk to your doctor if you experience

restlessness or tremor,

nervousness or anxiety,

headache or dizziness,

insomnia,

dry mouth or an unpleasant taste in your mouth,

diarrhea or constipation, or

impotence or changes in your sex drive.

Mazindol is habit forming. You can become physically and psychologically dependent on this diet pill, and withdrawal effects may occur if you stop taking it suddenly after several weeks of continuous use. Talk to your doctor about stopping this diet pill gradually. Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.

What other drugs will affect Mazindol?

You cannot take Mazindol if you have taken a monoamine oxidase inhibitor (MAOI) such as isocarboxazid (Marplan), tranylcypromine (Parnate), or phenelzine (Nardil) in the last 14 days. Changes in insulin and other diabetes drug therapies may be necessary during treatment with Mazindol. Mazindol may reduce the effects of guanethidine (Ismelin). This could lead to an increase in blood pressure. Tell your doctor if you are taking guanethidine. Before taking this diet pill, tell your doctor if you are taking a tricyclic antidepressant such as amitriptyline (Elavil), amoxapine (Asendin), doxepin (Sinequan), nortriptyline (Pamelor), imipramine (Tofranil), clomipramine (Anafranil), protriptyline (Vivactil), or desipramine (Norpramin). These drugs may decrease the effects of Mazindol. Drugs other than those listed here may also interact with Mazindol. Talk to your doctor and pharmacist before taking any prescription or over-the-counter medicines.

Where can I get more information about Mazindol?

Your pharmacist has more information about Mazindol written for health professionals that you may read.

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